Find Junior security engineer Jobs in County Dublin

Junior Sys Admin — Mission-Critical Infrastructure (Dublin)
Multisys Limited —DUBLIN 3, County Dublin
- From €30,000 a year
- Full-time
- English
- Windows
- Master's degree
Quick apply
13d
Security Engineer
HubSpot —Dublin, County Dublin
- €56,000–€70,000 a year
- Remote
- Azure
- Computer Science
- AWS
Quick apply
Junior Database QA Automation Engineer, Officer
State Street —DUBLIN 2, County Dublin
- Full-time
- Azure
- Computer Science
- Java
Network Engineer
Elwood Roberts —Dublin, County Dublin
- €45,000–€70,000 a month
- Full-time
- Hybrid work
- Azure
- Computer Science
- AWS
Quick apply
Software Engineer - Application - React Native
Elwood Roberts —Dublin, County Dublin
- €50,000–€100,000 a year
- Full-time
- AWS
- Software development
Quick apply
Staff Site Reliability Engineer
Replit —Dublin, County Dublin
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
QA Engineer
Holafly —Dublin, County Dublin
- Hybrid work
- Azure
- SQL
- JavaScript
- Annual leave
Staff Software Engineer
PlayStation Global —Dublin, County Dublin
- C++
- Software development
- Communication skills
AI/ML Agent Engineer — Front-End Focus
eBay Inc. —Dublin, County Dublin
- Full-time
- JavaScript
- AI
- Python
AI Engineer
Version 1 —Dublin, County Dublin
- €45,000–€60,500 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- English
- Employee assistance program
- Employee discount
Quick apply
Staff Engineer, Site Reliability
LearnUpon —Dublin, County Dublin
- On call
- AWS
- AI
- Annual leave
AI/ML Agent Engineer — Back-End Focus
eBay Inc. —Dublin, County Dublin
- Full-time
- Java
- Master's degree
- AI
Junior Security Engineer
Larian Studios —Dublin, County Dublin
- Azure
- English
- Windows
6h
Full Stack Engineer
EXL Service —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Master's degree
- JavaScript
Lead Cloud Security Engineer
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- DevOps
- AWS
- Analysis skills
Automation Engineer, Charles River Development, Officer
State Street —DUBLIN 2, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- Master's degree
Sr Machine Learning Engineer
paypal —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- Engineering
- Annual leave
10d
Principal Information Security Engineer - Blockchain Technology
Mastercard —Dublin, County Dublin
- Full-time
- Computer Science
- Bachelor's degree
- No degree
1d
Senior Software Engineer, Fleet Maintenance
Google —Dublin, County Dublin
- €122,000–€126,000 a year
- Full-time
- Doctoral degree
- Computer Science
- System design
6h
Full Stack Developer
Inflight Dublin —Dublin, County Dublin
- Full-time
- Master's degree
- SQL
- AWS
Quick apply

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Junior Sys Admin — Mission-Critical Infrastructure (Dublin)

Multisys Limited
DUBLIN 3, County Dublin

Quick apply

Job details

Permanent | Full-time
From €30,000 a year
13 days ago

Benefits

Bike to work scheme
Company pension
Company events
On-site parking

Qualifications

Microsoft Windows Server
CCTV
English
Windows
Master's degree

Full job description

Systems Administrator (Junior) — Dublin

Multisys designs, builds and supports enterprise IP CCTV and the networks, control rooms, head ends and Video Walls — for critical infrastructure across national transport, government and a small number of large private-sector clients. We are small, agile, flat, and we keep our people. Most of what we support, we built.

The role

A Dublin-based role supporting our largest accounts. It's part helpdesk, part hands-on systems maintenance — but not the helpdesk you're picturing. We support a handful of clients, not the public, and the systems are enterprise-grade: thousands of cameras, hundreds of Windows servers and clients, switches, video walls and the networks tying them together. Call volume is manageable; the variety is wide. There is always something to fix, improve or harden. We know all of our customers well.

First and foremost this is Windows systems administration — the servers, the clients, and the applications running on them, kept patched, secure and current. Around that sits basic access-layer networking and the connected IP edge devices that depend on it: cameras, access control, sensors and controllers. You'll resolve faults across a national footprint — sometimes from a desk, sometimes on site. The sites are often of national significance and mission critical. You'll work directly with senior engineers and get real ownership fast.

What you'll work with

Windows server and client estates, and the applications that run on them — physical and virtual. This is the core of the role.
Basic access-layer networking — under the supervision of a world-class Cisco expert instructor
Connected IP edge devices — cameras, access control, sensors and controllers
Enterprise VMS / CCTV platforms (Genetec experience a strong plus — we'll train the right person)
Control-room video wall systems
Structured cabling, copper and fibre
Cybersecurity: patching, hardening, secure configuration

We've recently added access control to our services — hands-on experience there is a real plus. Otherwise we value attitude and aptitude over a list of certs: missing some of the above but a fast learner is fine.

Who we want

This is the part that matters most: we are happy to take on someone junior — light on experience, or without formal qualifications — as long as they show us the right attitude. Skills and knowledge we can teach. Attitude we can't.

So: a sharp young engineer with something to prove. Self-starting, structured but lateral, able to finish what they start. We place a lot of weight on focused, even obsessive thinking and a neat, tidy mind — in how you approach a problem and how you keep your work. Someone who'll dig into a broken site at 9pm and not walk away, who can hold their own under pressure and back their own judgement. We care less about your CV than whether you stick with a problem until it's solved. A master's in cyber security counts for nothing if you can't tell us what an IP address is — whatever your background, you'll be expected to prove competence as a person or in technology.

Essential — you need all of these

Currently living in Ireland, or able to relocate immediately
The legal right to work in Ireland
Fluent English
Comfortable making and receiving phone calls — it's a core part of the role
Full driving licence
Able to pass Garda vetting

Practical

Full-time, permanent. Dublin base, travel across Ireland (occasional UK).
Salary: from €30,000, rising with ability and experience
Benefits: paid industry certification, on-site parking, occasional bonus

Pay: From €30,000.00 per year

Benefits:

Bike to work scheme
Company events
Company pension
On-site parking

Application question(s):

Are you able to make and take telephone calls ?

Language:

English (required)

Work authorisation:

Ireland (required)

Work Location: In person

Quick apply

Refine Your Search

junior security engineer jobs in county dublin

Junior Sys Admin — Mission-Critical Infrastructure (Dublin)

Security Engineer

Junior Database QA Automation Engineer, Officer

Network Engineer

Software Engineer - Application - React Native

Staff Site Reliability Engineer

QA Engineer

Staff Software Engineer

AI/ML Agent Engineer — Front-End Focus

AI Engineer

Staff Engineer, Site Reliability

AI/ML Agent Engineer — Back-End Focus

Junior Security Engineer

Full Stack Engineer

Lead Cloud Security Engineer

Automation Engineer, Charles River Development, Officer

Sr Machine Learning Engineer

Principal Information Security Engineer - Blockchain Technology

Senior Software Engineer, Fleet Maintenance

Full Stack Developer

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